#pragma once

//constexpr
//https://www.cnblogs.com/sjjg/p/10713866.html




//#system
// https://blog.csdn.net/hilaryfrank/article/details/112200420  fsync,fwrite
// https://blog.csdn.net/rekingman/article/details/109037276  dio 

// cpu 占比计算
//   https://blog.csdn.net/m0_74282605/article/details/130016182                                                         dma 


